Caterpillar cat 336 f ln excavator (prefix wtz) service repair manual (wtz00001 and up)

Service Repair Manual
Models
336F L and 336F LN Excavator

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Product: EXCAVATOR
Model: 336F L EXCAVATOR WTZ
Configuration: 336F L & 336F LN Excavators WTZ00001-UP (MACHINE) POWERED BY C9.3 Engine
Disassembly and Assembly
336F Excavator Machine Systems
Media Number -UENR0192-04 Publication Date -01/02/2018 Date Updated -21/02/2018
i07195340
Travel Motor - Disassemble
SMCS - 4351-015
Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-2420 Transmission Repair Stand 1
B 421-5662 Lifting Eye Assembly 1
C
6V-5215 M8 X 1.25 X 16 MM Bolt 2
9M-1974 M8 Hard Washer 2
D 1P-0510 Driver Gp 1
Start By:
a. Remove travel motor.
NOTICE
Care must be taken to ensure that fluids are contained during
performance of inspection, maintenance, testing, adjusting, and repair
of the product. Be prepared to collect the fluid with suitable containers
before opening any compartment or disassembling any component
containing fluids.
1/14336F L & 336F LN Excavators WTZ00001-UP (MACHINE) POWERED BY C9.3 En...
2020/6/16https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...

Refer to Special Publication, NENG2500, "Dealer Service Tool
Catalog" for tools and supplies suitable to collect and contain fluids on
Cat�
products.
Dispose of all fluids according to local regulations and mandates.
Illustration 1 g06249277
1. Fasten travel motor (1) in a vertical position on Tooling (A). The weight of travel motor (1)
is approximately 82 kg (180 lb).
Personal injury can result from being struck by parts propelled by a
released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to
release the spring force.
2. Remove bolts (2) and cap (3).

3. Remove bolts (4) and cap (5).
4. Remove spring (6), spring (9), spool assembly (8), and spring seats (7).

5. Remove plug (11), relief valve (10), and the O-ring seals.
6. Remove plug (13), relief valve (12), and the O-ring seals.
7. Remove plug (14), and the O-ring seal.

8. Remove plug (15), spool assembly (16), spring (17), and the O-ring seals.

9. Remove plugs (18) and the O-ring seals.
10. Remove bolts (19).
11. Attach Tooling (B) and a suitable lifting device to motor head assembly (20). The weight of
motor head assembly (20) is approximately 27 kg (60 lb). Remove motor head assembly
(20).

12. Remove the ball bearing that is located on the bottom side of motor head assembly (20).
Port plate (25) may still be adhered to the bottom of motor head assembly (20).
13. Remove O-ring seals (21), O-ring seal (22), springs (23), springs (24), and port plate (25).
Note: Note the location of springs (23). They must be installed in the same location during
the assembly procedure.

14. Insert Tooling (C) into piston assembly (26). Use a suitable prying device and Tooling (C)
to remove piston assembly (26).
15. Remove O-ring seal (27) and O-ring seal (28).
16. Use suitable prying devices to remove guide assembly (29).
17. Remove O-ring seal (30).

18. Remove separator plates (31) and friction plates (32). Note the alternating order of separator
plates (31) and friction plates (32) for assembly purposes.
19. Remove barrel assembly (33).
Note: Do not allow the components of barrel assembly (33) to come apart while you
remove barrel assembly (33). The components of barrel assembly (33) must be reinstalled
into the original positions.

Note: Mark the component locations for assembly purposes before you disassemble the
barrel assembly.
20. Remove piston assemblies (34) and retainer (35).
21. Remove hold down ball (36).
10/14336F L & 336F LN Excavators WTZ00001-UP (MACHINE) POWERED BY C9.3 ...

22. Remove dowel pins (37).
23. Put location marks on swashplate (38) for assembly purposes. Remove swashplate (38).
24. Remove pistons (39) and the balls.
25. Remove springs (40).

26. Use a suitable press and Tooling (D) to remove snap ring (41), spacers (42), and spring (43).

27. Use a soft faced hammer to remove shaft assembly (44). Remove shaft assembly (44) in the
direction that is indicated by the arrow.
28. Remove O-ring seal (45).
29. Remove lip seal (46).
30. Use a suitable press to push shaft (47) out of bearing (48).

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Product: EXCAVATOR
i07175112
Travel Motor - Assemble
SMCS - 4351-016
Assembly Procedure
Table 1
Required Tools
A
1U-7506 Adapter 1
8T-4244 Nut 6
8T-4223 Hard Washer 6
- M12 x 1.75 X 250 mm (10 inch) Threaded Rod 1
C 3E-3882 Eyebolt 1
D 1P-1859 Retaining Ring Pliers 1
E
1P-0510 Driver Gp 1
9S-9152 Bearing Puller Gp 1
F 1P-1861 Retaining Ring Pliers 1
G - Loctite 242 -

1. Install O-ring seal (35) onto the housing of the travel motor.
2. Install seal (34) and piston actuator (33). Lubricate the surfaces of piston actuator (33) with
lubricant that is being sealed.
3. Install backup ring (32) and seal (31).

4. Install cover (30) and bolts (29). Tighten bolts (29) to a torque of 28 � 7 N�m (21 � 5 lb ft).
5. Apply Tooling (G) to the mating surface of lip seal (28). Use Tooling (E) to install lip seal
(28). Lubricate the sealing lip of lip seal (28) with lubricant that is being sealed.
6. Use Tooling (F) to install retaining ring (27).
7. Rotate the housing.

8. Install keys (26) and locating pins (not shown) into the body of the travel motor.
9. Install bearing (25).
Improper assembly of parts that are spring loaded can cause bodily
injury.
To prevent possible injury, follow the established assembly procedure
and wear protective equipment.
10. Install springs (24) into the barrel assembly. Install ball (23) onto springs (24). Lubricate
ball (23) with lubricant that is being sealed.
11. Lubricate the piston assemblies with lubricant that is being sealed. Install piston assemblies
and retainer plate (22) into barrel assembly (21).

Note: Take note of the mark on the piston assembly and the barrel assembly. The pistons
must be returned to the same position.
12. Lubricate cam plate (20) with lubricant that is being sealed. Install cam plate (20) onto
barrel assembly (21).
13. Install shaft (15) into a suitable press. Install bearing race (19) onto shaft (15).

14. Rotate shaft (15) in the suitable press. Use Tooling (D) to install retaining ring (17) onto
shaft (15).
15. Install bearing race (18) onto shaft (15).
Note: Bearing race (18) must contact retaining ring (17).
16. Install Tooling (C) into shaft (15). Install shaft (15) into rotating assembly (16).
17. Place the pump housing into Tooling (A).

18. Use Tooling (C) to install rotating assembly (16) into the housing.
19. The notches in cam plate (20) must align with keys (26). The keys are located in the bottom
of the housing of the travel motor.

20. Install plates (13) and friction discs (14) into the housing.
Note: Install the plates and the discs alternately.
21. Install backup ring (12) and seal (11) onto the brake piston.
22. Install backup ring (10) and seal (9) onto the brake piston.
23. Rotate brake piston (8).
24. Install brake piston (8) into the housing so that the cast mark on brake piston (8) is aligned
with the brake supply passage in the housing.
Note: Brake piston (8) must be level upon installation. The brake piston must be level to
prevent damage to the O-ring seals.

25. Install springs (7) and O-ring seals (6).
26. Lubricate port plate (4) with lubricant that is being sealed. Install O-ring seal (3), port plate
(4), and bearing (5).

injury.
27. Install head (2) onto the body of the travel motor.
Note: During the installation of head (2) onto the travel motor, be careful not to damage the
mating surfaces of the components.
28. Install bolts (1). Tighten bolts (1) to a torque of 240 � 40 N�m (177 � 30 lb ft).
End By:
a. Install the travel motor.
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Tue Jun 16 16:25:52 UTC+0800 2020

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Previous Screen
Product: EXCAVATOR
i07197988
Travel Motor - Assemble
SMCS - 4351-016
Assembly Procedure
Table 1
Required Tools
A 1P-2420 Transmission Repair Stand 1
B 421-5662 Lifting Eye Assembly 1
C 6V-2055 Grease -
D 1P-0510 Driver Gp 1
1. Use a suitable press to press bearing (48) onto shaft (47).

Lip seal orientation.
2. Install lip seal (46).
3. Install O-ring seal (45).
4. Use a soft faced hammer to install shaft assembly (44). Install shaft assembly (44) in the
direction that is indicated by the arrow.

injury.
5. Use a suitable press and Tooling (D) to install spacers (42), spring (43), and snap ring (41).

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6. Install springs (40) and the balls.
7. Install pistons (39).
8. Install swashplate (38).

Typical example.
12. Wrap a piece of nylon string around the piston assemblies as shown. Install barrel assembly
(33). Use the nylon string to hold the assembly together during installation. Remove the
nylon string.

Caterpillar cat 336 f ln excavator (prefix wtz) service repair manual (wtz00001 and up)

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